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searching for Absorption edge 41 found (64 total)

X-ray spectroscopy (2,659 words) [view diff] no match in snippet view article find links to article

X-ray spectroscopy is a general term for several spectroscopic techniques for characterization of materials by using x-ray radiation. When an electron

Johannes Martin Bijvoet (1,005 words) [view diff] exact match in snippet view article find links to article

the same energy but with a shift in phase, X-ray radiation near the absorption edge of an atom creates a partial ionisation process. Some new X-ray radiation

Electro–optic effect (879 words) [view diff] exact match in snippet view article find links to article

have a strong effect on refractive index for wavelengths near the absorption edge, due to the Kramers–Kronig relation. Using a less strict definition

Surface-extended X-ray absorption fine structure (1,844 words) [view diff] exact match in snippet view article find links to article

species in the sample by just tuning the X-ray photon energy to the absorption edge of that species. Joachim Stöhr played a major role in the initial development

Moss–Burstein effect (365 words) [view diff] exact match in snippet view article find links to article

which the apparent band gap of a semiconductor is increased as the absorption edge is pushed to higher energies as a result of some states close to the

Electro-absorption modulator (451 words) [view diff] exact match in snippet view article find links to article

field, which changes the bandgap energy (thus the photon energy of an absorption edge) but usually does not involve the excitation of carriers by the electric

Exciton (4,613 words) [view diff] exact match in snippet view article find links to article

significant enhancement of absorption in the vicinity of the fundamental absorption edge also known as the Mahan or Fermi-edge singularity. In materials with

Hafnium disulfide (302 words) [view diff] exact match in snippet view article find links to article

66. ISBN 1-4398-5511-0. Terashima, K.; Imai, I. (1987). "Indirect absorption edge of ZrS2 and HfS2". Solid State Communications. 63 (4): 315. Bibcode:1987SSCom

X-ray scattering techniques (427 words) [view diff] case mismatch in snippet view article find links to article

Electronic Structure & Excitations X-ray Raman scattering 10 50 - 1000 Absorption Edge Structure, Bonding, Valence High resolution IXS 10 0.001 - 0.1 Atomic

Urbach energy (897 words) [view diff] exact match in snippet view article find links to article

doi:10.1103/physrev.92.1324. ISSN 0031-899X. Tauc, J. (1970-08-01). "Absorption edge and internal electric fields in amorphous semiconductors". Materials

X-ray notation (302 words) [view diff] exact match in snippet view article find links to article

orbital absorbed the x-ray photon. In EXAFS and XMCD the L-edge or the L absorption edge is the point where the L orbital begins to absorb x-rays. Auger peaks

Piezochromism (353 words) [view diff] no match in snippet view article find links to article

"Mechanism of Pressure-Induced Phase Transitions, Amorphization, and Absorption-Edge Shift in Photovoltaic Methylammonium Lead Iodide". The Journal of Physical

Core electron (1,396 words) [view diff] exact match in snippet view article find links to article

an element to probe by tuning the X-ray energy to the appropriate absorption edge. The spectra of the radiation emitted can be used to determine the

Quadricyclane (416 words) [view diff] exact match in snippet view article find links to article

This reaction has been proposed to store solar energy. However, the absorption edge of light does not extend past 300 nm whereas most solar radiation has

Advanced superionic conductor (724 words) [view diff] exact match in snippet view article find links to article

(2009-12-01). "Temperature variation of electrical conductivity and absorption edge in Cu7GeSe5I advanced superionic conductor". Journal of Physics and

Organic semiconductor (3,171 words) [view diff] exact match in snippet view article find links to article

thereby emitting photoluminescence – or non-radiatively. The optical absorption edge of organic semiconductors is typically 1.7–3 eV, equivalent to a spectral

Tauc plot (517 words) [view diff] no match in snippet view article find links to article

, Quarrington, J. E. & Roberts, V. (1958). "Fine structure in the absorption-edge spectrum of Si". Physical Review. 111 (5): 1245–1254. Bibcode:1958PhRv

Sulfoxylic acid (2,031 words) [view diff] exact match in snippet view article find links to article

absorption near edge structure at 2476.1 eV. With sulfur the X-ray absorption edge changes with oxidation state as per Kunzl's law. The edge corresponds

Walther Kossel (1,034 words) [view diff] exact match in snippet view article find links to article

phenomenon of x-ray spectra. Under high resolution spectroscopy, the absorption edge has structure. He attributed this to absorption of radiation by electrons

Quantum well laser (1,730 words) [view diff] no match in snippet view article find links to article

energy levels) would alter the optical absorption properties (the absorption "edge") of these semiconductors. He realized that, instead of the optical

Single crystal (3,397 words) [view diff] exact match in snippet view article find links to article

Šedivý, L.; Bugár, M. (14 September 2014). "High temperature optical absorption edge of CdTe single crystal". Journal of Applied Physics. 116 (10): 103521

Powder diffraction (4,265 words) [view diff] exact match in snippet view article find links to article

anomalous scattering effects when the wavelength is chosen close to the absorption edge of one of the elements of the sample. Neutron diffraction has never

Molybdenum ditelluride (6,837 words) [view diff] exact match in snippet view article find links to article

transmitted. Even thinner layers can be orange or transparent. An absorption edge occurs in the spectrum with wavelengths longer than 6720 Å transmitted

Polyfluorene (3,873 words) [view diff] exact match in snippet view article find links to article

copolymers of fluorene have achieved efficiencies above 4% when their absorption edge was pushed to 700 nm. The voltage of polymer solar cells has also been

Rodney Loudon (598 words) [view diff] exact match in snippet view article find links to article

Telephone Laboratories (1965-66) University of Essex (1966-2022) Thesis The theory of the absorption edge in semiconductors Doctoral advisor Roger J. Elliott

Charles H. Henry (1,145 words) [view diff] exact match in snippet view article find links to article

that these discrete electron states would greatly alter the optical absorption edge of the semiconductor. Instead of the absorption being a smooth curve

Thiostannate (4,520 words) [view diff] exact match in snippet view article find links to article

black; absorption edge 2.0 eV CuAlSnS4 cubic a=10.28 Z=8 1074 4.17 K11Cu32Sn12S48·4H2O cubic Fm3c a = 18.0559 z = 14.75 black; absorption edge 1.9 eV

Borate fluoride (2,444 words) [view diff] exact match in snippet view article find links to article

91Be2(BO3)2F2 BPBBF trigonal P3m1 a = 4.7478 c = 8.386, Z = 1 163.70 UV absorption edge=279.1 nm; birefringence 0.054 at 546.1 nm; 2D [Be3B3O6F3]∞ layer LiBa2Pb(BO3)2F

X-ray emission spectroscopy (2,055 words) [view diff] exact match in snippet view article find links to article

while still having an extremely resolute view on features on a given absorption edge.(Fig.4) In the field of development of new catalysts for more efficient

Synthesis of nanoparticles by fungi (1,888 words) [view diff] exact match in snippet view article find links to article

gold nanoparticles 30-40 nm peak ca. 450 nm, while a cadmium sulfide absorption edge ca. 450 is indicative of quantum size particles. Larger nanoparticle

X-ray filter (1,440 words) [view diff] exact match in snippet view article find links to article

beam of x-rays with wavelengths 154 and 139 picometres. Nickel has an absorption edge at 149 pm, between the two copper lines. Thus, using nickel as a filter

John Woollam (physicist) (869 words) [view diff] exact match in snippet view article

2013. Datta, T.; Woollam, John; Notohamiprodjo, W. (1989). "Optical-absorption edge and disorder effects in hydrogenated amorphous diamondlike carbon films"

Sulfate chloride (2,132 words) [view diff] case mismatch in snippet view article find links to article

Hou, Xueling (2023-08-21). "Li 2 RbSO 4 Cl with a Short Ultraviolet Absorption Edge and an Acentric Structure through Assembling Heteroleptic [LiO 3 Cl]

Laser beam profiler (5,733 words) [view diff] exact match in snippet view article find links to article

calibrated for near-infrared wavelengths, up to the long wavelength absorption edge of the substrate (around 2.2 μm for glasses). Typically, one can expect

Two-photon absorption (4,647 words) [view diff] exact match in snippet view article find links to article

(2019). "Three-dimensional charge transport mapping by two-photon absorption edge transient-current technique in synthetic single-crystalline diamond"

Elias Burstein (2,923 words) [view diff] exact match in snippet view article find links to article

publication explained an "anomalous shift" of the interband optical absorption edge of InSb to higher energies that had been reported by researchers at

Selenogallate (4,482 words) [view diff] case mismatch in snippet view article find links to article

J.; Rico, R.; Calderón, E.; Quintero, M.; Morocoima, M. (1999). "Absorption Edge of MnGa2Se4 Single Crystals under Hydrostatic Pressure". Physica Status

Sound amplification by stimulated emission of radiation (7,513 words) [view diff] exact match in snippet view article find links to article

Both effects lead to large changes of the optical properties near the absorption edge, which are useful for intensity modulation and optical switching. Namely

Fluorooxoborate (3,692 words) [view diff] exact match in snippet view article find links to article

fluorooxoborate with a unique [B7O11F2] ring and a short ultraviolet absorption edge". Dalton Transactions. 48 (1): 21–24. doi:10.1039/c8dt03348j. PMID 30382271

Perovskite nanocrystal (10,984 words) [view diff] exact match in snippet view article find links to article

altering the degree of quantum confinement. Aside from tuning the absorption edge and emission wavelength by anion substitution, it was also observed

Inverted ligand field theory (2,921 words) [view diff] case mismatch in snippet view article find links to article

HODGSON, K. O.; SOLOMON, E. I. (1988-02-09). "ChemInform Abstract: X-Ray Absorption Edge Determination of the Oxidation State and Coordination Number of Copper: